my method "abc" return array of interface "xyz" and "pqr" is abstract class implements abc and class "jkl" extends pqr My problem 1) when i call abc it retrun array xyz how can i do this hint xyz refer_xyz = new jkl(); but i can't create array. 2)I want to access method of jkl using reference of xyz??
1 3508StringBuilder s = new StringBuilder("Hello Mom");s.append(",I mean,Mother"); Response.Write(s.ToString()); String s = "Hello Mom"; s+ = ",I mean Mom"; Response.Write(s); Which is faster ? which uses the most memory?
HCL,
6 8043I have one Shopping cart application, i that i have selected some items, while clicking submit button by mistake i have clicked twice or trice, that time items are selected twice or trice. Actually i want only one copy of items but its selected twice or trice. So how can we avoid this problem?
2 6348Hai all I want to print given array in reverse order Ex: int a[]={1,2,3,4,5};display this array in reverse order.
4 5468How to find the size of an array a)array.length() b)array.length c)array.size() d)array.size
6 10046when a servlet sends request for first time it uses the follwing methods a)init b)doget() c)dopost() d)service
4 6840I have 100 records in a table with two rows. I need to display 10 records per page like Google Search. I need only the Logic(Pagination) in Pure Java. No JSP and all..Thanks in Advance...
2 7603
What is difference between array and arraylist in java?
How do you escape in java?
How many inner classes can a class have?
What is the unit of plancks constant?
How many bits is a string in java?
What is the difference between method overriding and overloading?
Garbage collection in java?
Can a variable be local and static at the same time?
What is bubble sorting in java?
What are the three types of design patterns?
What is the final class modifier?
What about main thread in java?
What happens to the Exception object after handling an exception?
Is java se free?
Explain about class in java?
